add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
..
..
@@ -25,6 +25,33 @@
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 #include <engine/fifo.h>
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+u32
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+nvkm_gr_ctxsw_inst(struct nvkm_device *device)
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+{
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+	struct nvkm_gr *gr = device->gr;
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+	if (gr && gr->func->ctxsw.inst)
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+		return gr->func->ctxsw.inst(gr);
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+	return 0;
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+}
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+
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+int
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+nvkm_gr_ctxsw_resume(struct nvkm_device *device)
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+{
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+	struct nvkm_gr *gr = device->gr;
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+	if (gr && gr->func->ctxsw.resume)
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+		return gr->func->ctxsw.resume(gr);
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+	return 0;
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+}
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+
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+int
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+nvkm_gr_ctxsw_pause(struct nvkm_device *device)
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+{
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+	struct nvkm_gr *gr = device->gr;
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+	if (gr && gr->func->ctxsw.pause)
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+		return gr->func->ctxsw.pause(gr);
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+	return 0;
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+}
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+
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 static bool
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 nvkm_gr_chsw_load(struct nvkm_engine *engine)
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 {